geo-coop/web/sites/default/settings.ddev.php

<?php

$host = "db";
$port = 3306;

// If DDEV_PHP_VERSION is not set, it means we're running on the host,
// so use the host-side bind port on docker IP
if (empty(getenv('DDEV_PHP_VERSION'))) {
  $host = "127.0.0.1";
  $port = 32772;
} 

$databases['default']['default'] = array(
  'database' => "db",
  'username' => "db",
  'password' => "db",
  'host' => $host,
  'driver' => "mysql",
  'port' => $port,
  'prefix' => "",
);

$databases['drupal7']['default'] = [
  'database' => "drupal7",
  'username' => "db",
  'password' => "db",
  'host' => $host,
  'driver' => "mysql",
  'port' => $port,
  'prefix' => "",
];

ini_set('session.gc_probability', 1);
ini_set('session.gc_divisor', 100);
ini_set('session.gc_maxlifetime', 200000);
ini_set('session.cookie_lifetime', 2000000);

$settings['hash_salt'] = 'IusigTIUkiSynsUtkjbojPeMrINcRKOjCkvClWOgbupTKqNNfHPBcUDunGYnRBfg';

$settings['file_scan_ignore_directories'] = [
  'node_modules',
  'bower_components',
];

// This will prevent Drupal from setting read-only permissions on sites/default.
$settings['skip_permissions_hardening'] = TRUE;

// This will ensure the site can only be accessed through the intended host
// names. Additional host patterns can be added for custom configurations.
$settings['trusted_host_patterns'] = ['.*'];

// Don't use Symfony's APCLoader. ddev includes APCu; Composer's APCu loader has
// better performance.
$settings['class_loader_auto_detect'] = FALSE;

$config['image.settings']['suppress_itok_output'] = TRUE;
$config['image.settings']['allow_insecure_derivatives'] = TRUE;


// This specifies the default configuration sync directory.
if (empty($config_directories[CONFIG_SYNC_DIRECTORY])) {
  $config_directories[CONFIG_SYNC_DIRECTORY] = '../config/sync';
}